Which one of the following substituents at para-position is most effective in stabilizing the phenoxide ion ?

Which one of the following substituents at para-position is most effective in stabilizing the phenoxide ion ?
  1. -CH3
  2. -OCH3
  3. -COCH3
  4. -CH2OH

Solution

Electron withdrawing group increases the stability of phenoxide  So would be the best substituent.

Asked in: JEE Main 2014 (19 Apr Online)

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